The airpodspro charging bin is broken. The solution is as follows
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1. It may also be that there are stains on the metal contacts inside the charging case, which can be cleaned up and used again. It may be that the charging case is damaged, you can contact after-sales maintenance.
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2, put the headset back into the charging box to charge the headset, the bottom of the charging box has an interface, the Lightning data cable and the charging box can be connected to charge the charging box, you can also put the wireless charging box on the Qi certified charging mat for charging.